Progressivism was the reform movement that ran from the late 19th century through the first decades of the 20th century, during which leading intellectuals and social reformers in the United States sought to address the economic, political, and cultural questions that had arisen in the context of the rapid changes brought with the Industrial Revolution and the growth of modern capitalism in America. The Progressives believed that these changes marked the end of the old order and required the creation of a new order appropriate for the new industrial age.
The North relied mostly on industry for income but the South was almost all agricultural. Without the slaves they didn't have many people left to work the land.
Earl of Rosslyn felt that parents are responsible for the protection, healthcare and safety for their children and thus he did not see any justification in the legislation that could protect the children.
Explanation:
He stated that there is no other law or person who can protect the children than their parents. Parents are the creator and supporters of their children and thus in this regard there is no need to see who can safeguard the children better than the parents.